Ingredients

Instructions

  1. Preheat oven to 375°F.
  2. Spray a medium skillet with cooking spray.
  3. Heat over medium high heat.
  4. Add onion.
  5. Cook stirring occasionally, until slightly soft, about 3 minutes.
  6. Mix onion, 1/4 cup ketchup, 1 Tbsp mustard, mozzarella cheese, bread crumbs, Parmesan cheese, and egg in a large bowl.
  7. Add beef, mix lightly.
  8. Spray a loaf pan with cooking spray.
  9. Press beef mixture into pan.
  10. Combine remaining ketchup and mustard in a small bowl.
  11. Spread over top of meat loaf.
  12. Bake meat loaf until set and cooked through, about 55 minutes.